Lesson 20 of the SQL Optimization Course: Composite Indexes
Learn when and how to use composite indexes in SQL Server for optimized query performance.
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11 min
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MySQL LIKE Optimization: 100x Faster Queries!
Unlock 100x faster MySQL queries by mastering LIKE optimization through range scans and index-aware SQL rewriting. Discover how SQLFlash leverages B+ tree principles to eliminate full-table scans and boost database performance.
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Lesson 19 of the SQL Optimization Course: Mastering MySQL Functional Indexes
Discover how MySQL functional indexes optimize query performance and simplify complex data retrieval.
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Lesson 18 of the SQL Optimization Course: Understanding Prefix Indexes
Explore how MySQL prefix indexes optimize query performance and storage efficiency.
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Lesson 17 of the SQL Optimization Course: Understanding Hash Tables
Explore hash tables and MySQL hash indexes to optimize database performance and improve query efficiency.
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Lesson 16 of the SQL Optimization Course: Primary Key Design
Explore MySQL primary key design best practices, including space efficiency, ordering, data types, and alternatives to UUIDs for optimal performance.
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Leetcode Hardest SQL 185: Is the Best Solution Still Slow?
Explore LeetCode's No.185 SQL solutions, comparing subquery and window function performance with SQLFLASH optimization insights.
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SQL Optimization Case Study: Using '=' Instead of 'IN' for Instant Performance Gains!
Optimize SQL queries by replacing IN with = for unique subquery results, achieving dramatic performance improvements in execution time and resource usage.
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Lesson 15 of the SQL Optimization Course: Index Design (MySQL Index Structures)
Explore the index structures of MySQL's MyISAM and InnoDB engines, their advantages, disadvantages, and optimization strategies for database performance.
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Lesson 14 of the SQL Optimization Course: Index Design (B+ Tree Organization)
B+ Trees optimize database indexing by reducing disk I/O and improving query efficiency. Learn how they power MySQL indexing.
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8 min